Seamless boiler pipe with ASME SA213/ASTM A 213
Application:Power station,boiler,Heat exchanger and Super heater.
Type:Cold-drawn seamless,Hot-rolled seamless.Hot extruded seamless.
Standard: ASME SA 213/ASTM A 213
Grade:T9,T11,T91
Size:
OD:17-1060mm
WT:2-100mm
Chemical composition in %
| Steel grade | C . | Si | Mn . | P | S | Cr | Mo |
| T9 | Max.0.15 | 0.25-1.0 | 0.30-0.6 | Max.0.025 | Max.0.025 | 8.00-10.0 | 0.90-1.10 |
| T11 | 0.05-0.15 | 0.50-1.0 | 0.30-0.6 | Max.0.025 | Max.0.025 | 1.00-1.5 | 0.44-0.65 |
| T91 | 0.07-0.14 | 0.20-0.5 | 0.30-0.6 | Max.0.020 | Max.0.010 | 8.00-9.5 | 0.85-1.05 |
Note: For T91,V:0.18-0.25,Ni:Max.0.40,Al:Max 0.04,Nb:0.06-0.10
N:0.03-0.07
Mechanical Properties
| Steel grade | Tensile strength (Mpa) | Yield strength (Mpa) | Elongation (%) |
| T9 | ≥415 | ≥205 | 30 |
| T11 | ≥415 | ≥205 | - |
| T91 | ≥585 | ≥415 | 20 |
REMARKS:We can aslo negotiate with customer for other grade .
1. Common standard of boiler tube:
ASTM A53 Seamless tube for boiler
ASTM A106 Carbon steel tube for High-Temperature Service
ASTM A178 Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tube
ASTM A192 Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tube
ASTM A209 Seamless Carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes
ASTM A213 Seamless Ferritic and Austenitic Alloy-Steel Boiler,Superheater and Heat-Exchanger Tubes
ASTM A335 Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
ASTM A692: Standard Specification for Seamless Medium-Strength Carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes
DIN 17175 Seamless tube of heat-resistance steel
DIN 1629 Seamless circular tube
DIN 28180 Seamless steel tubes for tubular heat exchangers
EN 10216-2 Seamless steel tubes for pressure purpose
JIS G3461 Boiler tube for heat-resistance
JIS G3462 Alloy boiler tube for heat-resistance
JIS G3467 Steel tube for fired heater
JIS G3458 Alloy tube
2. Application:
Boiler tubes are a kind of frequently-used tubes in our life,they are mainly used in manufacturing heating pipelines,containers,coal-saving devices,superheaters,arch tube,reheater tube,airway tube etc.we have much experience to produce high quality products for your suiatable applications.
3. Specification:
OD: 12.7-610mm
Thickness: 2.5-45.0mm
Length: Generally speaking,we suggest 5.8m,6m,11.8m or 12m suitable for 20ft or 40ft containers.
4. Sortations:
According to end-used temperature and pressure,they are sorted into Low pressure,Medium pressure and High pressure boiler tube
5. Surface treatment:
Black painting/varnished surface,anti-corrosion oil, galvanized or as per required by customer
6. End treatment:
Plain end or Bevel
7. Test:
Chemical Component Analysis
Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation)
Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc)
Exterior Size Inspection
Nondestructive Test (Ultrasonic flaw detector, Eddy current flaw detector)
Hydrostatic Test(The standard pressure is limited to 20,7 MPa (3000psi))
Electro-magnetic inspection to SR1 is carried out on all line pipes.
8.Mill Test Certificate: EN 10204/3.1B
